Marine science studies the fauna and flora present in water bodies and their interaction with others. It includes marine and coastal management, oceanography, marine biology and marine ecology. This book discusses a wide array of topics in the light of new information and findings conducted by experts across the world. Marine resources, marine chemistry, marine environment, marine biotechnology, etc. are some of the important topics explained in it. This book is compiled in such a manner, that it will provide in-depth knowledge about the theory and practice of marine science. It is a complete source of knowledge on the present status of this important field. It is a ripe text for marine biologists, ecologists, professionals, researchers and students involved with the study of marine science at various levels.